Integrating mediators and moderators in research design

Research output: Contribution to journalArticle

108 Scopus citations

Abstract

The purpose of this article is to describe mediating variables and moderating variables and provide reasons for integrating them in outcome studies. Separate sections describe examples of moderating and mediating variables and the simplest statistical model for investigating each variable. The strengths and limitations of incorporating mediating and moderating variables in a research study are discussed as well as approaches to routinely including these variables in outcome research. The routine inclusion of mediating and moderating variables holds the promise of increasing the amount of information from outcome studies by generating practical information about interventions as well as testing theory. The primary focus is on mediating and moderating variables for intervention research but many issues apply to nonintervention research as well.

Original languageEnglish (US)
Pages (from-to)675-681
Number of pages7
JournalResearch on Social Work Practice
Volume21
Issue number6
DOIs
StatePublished - Nov 1 2011

Keywords

  • intervention
  • methodological article
  • methodology
  • outcome

ASJC Scopus subject areas

  • Social Sciences (miscellaneous)
  • Sociology and Political Science
  • Psychology(all)

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